20127190912

素因数分解:

$2^7\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{12451}}^1$

素因数の和:12711

約数の個数: 64

約数和(自身を含む): 40884647760

約数和(自身を除く): 20757456848

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 173, 292, 346, 584, 692, 1168, 1384, 2336, 2768, 4672, 5536, 9344, 11072, 12451, 12629, 22144, 24902, 25258, 49804, 50516, 99608, 101032, 199216, 202064, 398432, 404128, 796864, 808256, 908923, 1593728, 1616512, 1817846, 2154023, 3635692, 4308046, 7271384, 8616092, 14542768, 17232184, 29085536, 34464368, 58171072, 68928736, 116342144, 137857472, 157243679, 275714944, 314487358, 628974716, 1257949432, 2515898864, 5031797728, 10063595456, 20127190912]

約数ペア:

[(1, 20127190912), (2, 10063595456), (4, 5031797728), (8, 2515898864), (16, 1257949432), (32, 628974716), (64, 314487358), (73, 275714944), (128, 157243679), (146, 137857472), (173, 116342144), (292, 68928736), (346, 58171072), (584, 34464368), (692, 29085536), (1168, 17232184), (1384, 14542768), (2336, 8616092), (2768, 7271384), (4672, 4308046), (5536, 3635692), (9344, 2154023), (11072, 1817846), (12451, 1616512), (12629, 1593728), (22144, 908923), (24902, 808256), (25258, 796864), (49804, 404128), (50516, 398432), (99608, 202064), (101032, 199216)]